test push and pull icy

src/test/java/TestIcySequencePushAndPull.java

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+import org.junit.jupiter.api.Test;
+
+import icy.image.IcyBufferedImage;
+import icy.sequence.Sequence;
+import icy.sequence.SequenceCursor;
+import net.clesperanto.icy.IcyConverters;
+import net.clesperanto.core.ArrayJ;
+import net.clesperanto.core.DeviceJ;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestIcySequencePushAndPull {
+
+    @Test
+    public void testIcySequencePushAndPull() {
+    	int[] flatVals = new int[18];
+    	for (int i = 0; i < flatVals.length; i ++)
+    		flatVals[i] = i;
+    	Sequence inputSeq = createSequence(new long[] {3, 3, 2}, flatVals);
+
+
+    	DeviceJ device = DeviceJ.getDefaultDevice();
+    	ArrayJ in = IcyConverters.copySequenceToArrayJ(inputSeq, device, "buffer");
+
+    	Sequence outputSeq = IcyConverters.copyArrayJToSequence(in);
+
+    	SequenceCursor inCursor = new SequenceCursor(inputSeq);
+    	SequenceCursor outCursor = new SequenceCursor(outputSeq);
+
+        for (int y = 0; y < 3; y ++) {
+            for (int x = 0; x < 3; x ++) {
+                for (int z = 0; z < 2; z ++) {
+                	assertEquals(inCursor.get(x, y, z, 0, 0), outCursor.get(x, y, z, 0, 0));
+                }
+            }
+	    }
+    }
+
+    private static Sequence createSequence(long[] dims, int[] data)
+    {
+    	while (dims.length < 3) {
+    		long[] newArray = new long[dims.length + 1];
+    	    System.arraycopy(dims, 0, newArray, 0, dims.length);
+    	    newArray[dims.length] = 1;
+    	    dims = newArray;
+    	}
+        Sequence seq = new Sequence();
+        int z;
+        for (z = 0; z < dims[2]; z++)
+        {
+            seq.setImage(0, z, new IcyBufferedImage((int) dims[0], (int) dims[1], 1, icy.type.DataType.INT));
+        }
+
+        SequenceCursor cursor = new SequenceCursor(seq);
+        int c = 0;
+        for (int x = 0; x < dims[0]; x ++) {
+        	for (int y = 0; x < dims[1]; y ++) {
+            	cursor.set(x, y, 0, 0, 0, data[c ++]);
+            }
+        }
+        cursor.commitChanges();
+        return seq;
+    }
+}